| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,336 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,771 |
| Countries with Megacities | 0 | - | 4.99 | 249,963 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,619 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,848 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,926 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,826 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,334 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,476 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,467 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,256 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,583 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,215 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,290 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,845 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,565 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,796 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,915 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,286 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,456 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,115 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,625 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,907 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,097 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,650 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,034 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,022 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,216 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,123 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,395 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,020 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,714 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,816 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,744 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.64 | 64,100 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,273 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,273 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,367 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,897 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,544 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,133 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,983 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,539 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,780 |
| Biggest Cities in the World | 0 | - | 4.91 | 795,972 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,387 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,455 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,288 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,626 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,379 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,754 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,889 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,770 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,511 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,270 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,117 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,345 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,589 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,702 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,159 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,289 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,702 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,378 |
| Olympic Host Countries | 0 | - | 4.98 | 200,178 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,515 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,695 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 307,575 |
| The Only European Country ... | 0 | - | 4.91 | 215,810 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,597 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,648 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,545 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,779 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,199 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,145 |
| Biggest Cities in the United States | 0 | - | 4.93 | 974,700 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,337 |
| Countries of Africa | 0 | - | 5.00 | 2,528,303 |
| Boundary Waters | 0 | - | 4.92 | 88,347 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,053 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,853 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,296 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,946 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,870 |
| Largest City by Island | 0 | - | 4.87 | 71,593 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,717 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,568 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,172 |
| Megacities on a World Map | 0 | - | 4.98 | 252,972 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,153 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,611 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,046 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,989 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,989 |
| Countries of the Middle East | 0 | - | 4.96 | 200,633 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,928 |
| Slavic Countries | 0 | - | 4.96 | 111,427 |
| African Island Countries | 0 | - | 4.96 | 101,359 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,766 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,681 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 46,259 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,582 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,210 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,071 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,707 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,553 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,356 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,463 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,488 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,968 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,904 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,278 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,921 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,909 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,761 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,007 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,566 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,593 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,019,813 |
| Most Populous Islands | 0 | - | 4.80 | 122,743 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,266 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,488 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,918 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,613 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,616 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,506 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,842 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,439 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,981 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,735 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,188 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,286,286 |
| Landlocked Countries | 0 | - | 4.99 | 418,208 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,682 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,986 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,876 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,889 |
| Monarchies of Europe | 0 | - | 4.90 | 97,886 |
| Monarchies of Asia | 0 | - | 4.97 | 70,930 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,177 |
| Asian Country Superlatives | 0 | - | 4.85 | 80,746 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,166 |
| Countries that Start with A | 0 | - | 4.98 | 2,157,570 |
| Countries that Start with B | 0 | - | 4.95 | 2,289,565 |
| Countries that Start with C | 0 | - | 4.96 | 1,818,139 |
| Countries that Start with D | 0 | - | 4.96 | 706,901 |
| Countries that Start with E | 0 | - | 4.95 | 1,373,989 |
| Countries that Start with G | 0 | - | 4.97 | 1,499,616 |
| Countries that Start with H | 0 | - | 4.96 | 602,411 |
| Countries that Start with I | 0 | - | 4.92 | 1,285,478 |
| Countries that Start with J | 0 | - | 4.98 | 600,366 |
| Countries that Start with K | 0 | - | 4.97 | 813,469 |
| Countries that Start with L | 0 | - | 4.98 | 1,088,244 |
| Countries that Start with N | 0 | - | 4.93 | 1,115,197 |
| Countries that Start with P | 0 | - | 4.94 | 1,213,669 |
| Countries that Start with S | 0 | - | 4.98 | 1,751,466 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,004 |
| Countries that Start with U | 0 | - | 4.97 | 902,945 |
| Countries that Start with V | 0 | - | 4.98 | 608,059 |
| Countries that Start with F | 0 | - | 4.83 | 615,855 |
| Countries that Start with M | 0 | - | 4.97 | 1,378,854 |
| The Only African Country ... | 0 | - | 4.99 | 128,878 |
| The Only American Country ... | 0 | - | 4.92 | 121,354 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,035 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,594 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,625 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,179 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,718 |
| European Countries with One Border | 0 | - | 4.97 | 182,430 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,245 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,944 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,472 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,560 |
| Population Trivia | 0 | - | 4.32 | 27,470 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,351 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,035 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,903 |
| Biggest City by Region | 0 | - | 4.50 | 36,106 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,040 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,762 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,362 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,702 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,414 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,138 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,312 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,145 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,790 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,348 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,029 |
| World Capitals Quiz | 0 | - | 5.00 | 5,059,773 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,618 |
| Himalayan Countries | 0 | - | 4.94 | 137,105 |
| Andean Countries | 0 | - | 4.95 | 83,773 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,015 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,396 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,693 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,254 |
| Danube Countries | 0 | - | 4.97 | 71,581 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,445 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,985 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,518 |
